Exemplo n.º 1
0
            if isinstance(line, unicode):
                line = line.encode('utf-8')
            metadata[i] = line

        metadata = [i + '\n' for i in metadata]
        tmpFilePath = self._metafile + ".new"
        try:
            self._oop.writeLines(tmpFilePath, metadata)
        except IOError as e:
            if e.errno != errno.ESTALE:
                raise
            self._oop.writeLines(tmpFilePath, metadata)
        self._oop.os.rename(tmpFilePath, self._metafile)


FileSDMetadata = lambda metafile: DictValidator(
    PersistentDict(FileMetadataRW(metafile)), FILE_SD_MD_FIELDS)


class FileStorageDomainManifest(sd.StorageDomainManifest):
    def __init__(self, domainPath, metadata=None):
        # Using glob might look like the simplest thing to do but it isn't
        # If one of the mounts is stuck it'll cause the entire glob to fail
        # and you wouldn't be able to access any domain
        self.log.debug("Reading domain in path %s", domainPath)
        self.mountpoint = os.path.dirname(domainPath)
        self.remotePath = os.path.basename(self.mountpoint)
        self.metafile = os.path.join(domainPath, sd.DOMAIN_META_DATA,
                                     sd.METADATA)
        sdUUID = os.path.basename(domainPath)
        domaindir = os.path.join(self.mountpoint, sdUUID)
        if metadata is None:
Exemplo n.º 2
0
def FileSDMetadata(metafile):
    return DictValidator(PersistentDict(FileMetadataRW(metafile)),
                         FILE_SD_MD_FIELDS)
Exemplo n.º 3
0
 def _getPoolMD(cls, domain):
     # This might look disgusting but this makes it so that
     # This is the only intrusion needed to satisfy the
     # unholy union between pool and SD metadata
     return DictValidator(domain._metadata._dict, SP_MD_FIELDS)